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Modeling and Simulation

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Researchers frequently require a quantitative understanding of the likely consequences of different actions before they can advise decisionmakers and design effective policies. RAND develops and uses statistical, econometric, and other exploratory models and simulations to analyze the potential outcomes of different policies in a range of areas such as transportation usage, health care, patient safety, and military campaigns.

Tool

New Tool Can Help Health Officials Plan for COVID-19 Patient Surge

Apr 3, 2020

Hospitals are searching for ways to ramp up their surge capacity to provide critical care for the sickest COVID-19 patients. A new, user-friendly calculator enables decisionmakers at all levels to estimate current critical care capacity and rapidly explore strategies for increasing it.
Tool

New Tool Can Assess the Effects of COVID-19 Interventions

May 4, 2020

State and local leaders have taken unprecedented measures to slow the spread of COVID-19 and prevent health care systems from being overwhelmed. As states plan the way to recovery, a new tool can help them estimate both the public health and economic consequences of imposing or lifting restrictions.

Explore Modeling and Simulation

Report

On Balanced Games Without Side Payments: A Correction

The purpose of this paper is to repair Lemma 6.3 appearing in the author's previous paper of the same title (P-4910, September 1972).

May 1, 2021
Journal Article

Improving Care Experiences for Patients and Caregivers at End of Life: A Systematic Review

Previous reviews examined palliative care improvements or available measures but none explicitly on improving care experiences. We reviewed literature on improving patient and/or caregiver end-of-life care experiences.

Apr 7, 2021
Commentary

What Factors Affecting Retention Matter Most to Teachers?

Maintaining an adequate supply of teachers is a challenge and an area of significant concern. Rather than a one-size-fits-all approach, a set of interventions developed to target the preferences and expectations of specific groups of teachers is likely to be most effective.

Apr 5, 2021
Blog

Game Theory to Help the Vaccine Rollout, Abraham Accords, Telehealth: RAND Weekly Recap

This weekly recap focuses on how game theory can help the COVID-19 vaccine rollout, potential economic benefits of the Abraham Accords, telemedicine use during the pandemic, and more.

Mar 19, 2021
Journal Article

Who Is (and Isn't) Receiving Telemedicine Care During the COVID-19 Pandemic

COVID-19 has affected telehealth utilization disproportionately. The increase in telemedicine use was greatest among patients in counties with low poverty levels, among patients in metropolitan areas, and among adults compared with children.

Mar 18, 2021
Journal Article

An Audit Tool for Longitudinal Assessment of the Health-Related Characteristics of Urban Neighborhoods: Implementation Methods and Reliability Results

To identify neighborhood features that are predictors of health, objective assessments of the environment are used. In this paper, we have described implementation methods, reliability results and lessons learned to inform future studies of change.

Mar 16, 2021
Journal Article

Food Insecurity Is Associated with Objectively Measured Sleep Problems

Food Insecurity (FI) can be a profound source of stress, which may increase the risk for sleep disturbance. This is the first study to examine the association between FI and objectively and subjectively measured sleep.

Mar 16, 2021
Journal Article

Neighborhood Socioeconomic Status, Sleep Duration, and Napping in Middle-To-Old Aged US Men and Women

In over 300,000 middle-to-old aged Americans, we examined neighborhood socioeconomic status (SES) and change in neighborhood SES in relation to nocturnal sleep duration and napping.

Mar 16, 2021
Journal Article

Effective Game-Based Training for Police Officer Decision-Making: Linking Missions, Skills, and Virtual Content

This paper reports the result of a two-year pilot study that developed a framework for implementing low-cost, game-based, virtual reality technology for training police officers to improve their decision-making under stress.

Mar 12, 2021
Commentary

How Game Theory Could Solve the COVID-19 Vaccine Rollout Puzzle

The health systems behind the vaccine rollout are attempting to create order from chaos, sometimes with mixed results. Rather than relying on on-the-fly decisionmaking, state authorities should consider turning to game theory as a tool that could be the key to more efficient, faster vaccine distribution.

Mar 11, 2021
Journal Article

School Food and Beverage Availability and Children's Diet, Purchasing, and Obesity: Evidence From a Natural Experiment

We examined whether the number of competitive food and beverage items available for purchase in school, overall and by type (unhealthy, healthy, neutral), was associated with in-school food purchases, dietary behaviors, and body mass index outcomes.

Mar 11, 2021
Journal Article

Brief Tutorial for twangContinuous

This document provides a brief tutorial on using the twangContinous package to estimate causal effects for continuous exposure variables using generalized propensity scores estimated via generalized boosted models.

Mar 10, 2021
Journal Article

Modeling Agent Behaviors for Policy Analysis Via Reinforcement Learning

This paper examines the value of reinforcement learning models as adaptive, high-performing, and behaviorally-valid models of agent decision-making in Agent-based Models.

Mar 9, 2021
Commentary

Use Wargaming to Sharpen the Tactical Edge

As a growing consensus embraces the utility of educational wargaming, a more daunting question remains: Can the Joint Force integrate and sustain educational wargaming in the operating forces? The challenges are substantial, but they are not insurmountable. The answer depends on bold leadership, sufficient tools, and eager partners.

Mar 8, 2021
Report

Model of Travel in London Phase 3: Mode and destination choice model estimation

RAND Europe and partners were commissioned by Transport for London (TfL) to update and enhance their strategic transport model, the Model of Travel in London (MoTiON). This report documents RAND Europe's work on the mode-destination choice models.

Feb 26, 2021
Report

Model of Travel in London Phase 3: Frequency model estimation

RAND Europe and partners were commissioned by Transport for London (TfL) to update and enhance their strategic transport model, the Model of Travel in London (MoTiON). This report documents RAND Europe's work on the frequency models.

Feb 26, 2021
Journal Article

Individual and Community Factors Associated with Naloxone Co-prescribing Among Long-term Opioid Patients: A Retrospective Analysis

This retrospective analysis examines naloxone co-prescribing in the general population and assess how co-prescribing varies by individual and community characteristics.

Feb 19, 2021
Journal Article

A Comparison of Multilevel Mediation Modeling Methods: Recommendations for Applied Researchers

In this paper, we discuss the strengths and limitations of multilevel modeling, with a focus on the indirect effects when the predictor, mediator, and dependent variable are all collected at the lowest level of data.

Feb 17, 2021
Report

How to Avoid Aggression or Escalation in a Crisis

Anticipating how an opponent may be reasoning, and then seeking ways to alter that thinking can inform an effective influence strategy. Deterring adversaries by threat of punishment alone is often ineffective. A better approach might involve a mix of several measures, such as being able to thwart aggression, reassurances to reduce the adversary's fears, and relationship-building.

Feb 16, 2021
Tool

Chesapeake Bay Model Inventory and Selection Tool (MIST)

The Model Inventory and Selection Tool (MIST) is an interactive, searchable database of empirical, statistical, and conceptual models relevant to water- and climate-related planning and decisionmaking in the Chesapeake Bay watershed and beyond.

Feb 16, 2021

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RAND Topic:
Modeling and Simulation

Topic Synonyms:
Mathematical Modeling;
Modelling

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